| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| export const last = <T>(array: T[]): T | undefined => array.slice(-1)[0]; |
| |
| export const pipe = (...fns: ((value: any) => any)[]) => (value: any) => fns.reduce((value, fn) => fn(value), value); |
| |
| export const spaces = (numberOfSpaces: number): string => Array(numberOfSpaces + 1).join(' '); |
| |
| export const eq = (a: unknown) => (b: unknown): boolean => a === b; |
| |
| export const neq = (a: unknown) => (b: unknown): boolean => a !== b; |
| |
| export const sum = (a: number, b: number): number => a + b; |
| |
| export const count = (array: any): number => array?.length ?? 0; |
| |
| export const choose = ( |
| getCondition: (...params: any[]) => any, |
| getThen: (...params: any[]) => any, |
| getElse: (...params: any[]) => any, |
| ) => (...params: any[]) => { |
| return getCondition(...params) ? getThen(...params) : getElse(...params); |
| }; |